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User’s Guide
EL1142 Series
IEC 61850 / IEEE 1613 Hardened
2-Port 10/100BASE-TX to 2-Port 100BASE-FX Media Converter
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All Rights Reserved
Dissemination or reproduction of this document, or its contents, is not authorized except where expressly
permitted. Violators are liable for damages. All rights reserved, for the purposes of patent application or
trademark registration.
Disclaimer of Liability
The information contained in this document is subject to change without notice. EtherWAN is not liable for any
errors or omissions contained herein or for resulting damage in connection with the information provided in this
manual.
Warranty
For details on the EtherWAN warranty replacement policy, please visit our web site at:
https://kb.etherwan.com/index.php?CategoryID=13
Products Supported by this Manual:
EL1142
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Revision
Document Version
Date
Description
A
Version 1
1/3/2018
Symbol
Meaning
Description
Note
Notes emphasize or supplement important points of the main text.
Tip
Tips provide helpful information, guidelines, or suggestions for performing
tasks more effectively.
Warning
Warnings indicate that failure to take a specified action could result in
damage to the device, or could result in serious bodily injury.
Electric Shock
Hazard
This symbol warns users of electric shock hazard. Failure to take
appropriate precautions such as not opening or touching hazardous
areas of the equipment could result in injury or death.
Preface
Audience
This guide is designed for the person who installs, configures, deploys, and maintains the Ethernet
network. This document assumes the reader has moderate hardware, computer, and Internet skills.
Document Revision Level
This section provides a history of the revision changes to this document.
Safety and Warnings
This guide uses the following symbols to draw your attention to certain information.
EL1142 Hardened Media Converter
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Contents
Preface ..................................................................................................................... iii
Safety and Warnings ................................................................................................. iii
Contents .................................................................................................................. iv
Introduction .............................................................................................................. 5
Unpacking ................................................................................................................. 6
Select Installation Location ........................................................................................ 6
Connect Power .......................................................................................................... 7
LED Indicators ........................................................................................................... 8
DIP Switches ............................................................................................................. 9
Link Fault Pass Through (LFPT) .......................................................................... 9
Relay Output Alarm ................................................................................................. 10
Specifications .......................................................................................................... 11
Manufacturer’s Information ...................................................................................... 12
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EL1142 Hardened Media Converter
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Introduction
EL1142 Hardened Media Converter
2-port 10/100BASE-TX + 2-port 100BASE FX MM (SC)- 2km
2-port 10/100BASE-TX + 2-port 100BASE FX SM (SC)- 40km
The EL1142 series provides two independent media conversion paths between 2 x 10/100BASE-T and
2 x 100BASE-SX-LX fiber. Similar to the EL1141 series media converter, the EL1142 includes the
hardened construction and high performance needed for mission critical applications, including power
substation automation. However, the EL1142 series offers twice the port density in the same housing
dimensions, providing greater flexibility and requiring less space for installation.
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Unpacking
Open the carton and unpack the items. Your package should include an EL1142 media converter, this
Quick Install Guide, and a CD containing the user’s manual. If items are missing or damaged, notify
your EtherWAN representative.
Select Installation Location
Installation is DIN-rail, panel or rack mounting. Ensure that the power source is within 6 feet (1.8
meters), and check that there is adequate airflow.
Place the media converter on the DIN rail from above using the slot. Push the front of the media
converter toward the mounting surface until it audibly snaps into place.
Startup: Connect the supply voltage to start up the media converter via the terminal block.
Dismantling: Pull out the lower edge and then remove the media converter from the DIN rail.
EL1142 Hardened Media Converter
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Pin
Description
PW1
12-48VDC
GND
Power
Ground
PW2
12-48VDC
GND
Power
Ground
Earth
Terminal
Connect Power
The media converter is equipped with an eight-contact terminal block. The terminal block provides dual
DC power inputs, and a relay output contact. Redundant power supply is supported, but only one power
input is required for operation. Note that the media converter does not have a power switch; it is turned
on/off by connecting/disconnecting power.
Input voltage is 12 to 48VDC.
The power dissipation under full load is as follows:
12V/0.4A, 24V/0.19A, 48V/0.11A
Note: Use qualified power supply by SELV or double
insulation of UL 60950 or UL 61010-1 or UL 61010-2-201 standards.
Insert the DC input wires into the corresponding terminals, and tighten the clamp screws to hold them in
place. Make sure that the plastic terminal block connector prongs are plugged firmly into the terminal
block receptacles.
Power wiring information:
Use cable type - AWG (American Wire Gauge) 18-24 and the corresponding pin type cable terminals.
Use torque value 1.7 lb-in, do not use excessive force when fixing wiring.
The wire rating must be at least 105°C
Label clean up:
Indoor use and pollution degree II, it must be wiped with a dry cloth for clean up the labelling.
If the equipment is used in a manner not specified by the manufacturer, the protection provided by the
equipment may be impaired.
The media converter shall be mounted in an industrial control panel and ambient temperature is not
exceed 75 degree C.
Altitude up to 2000 meters.
Humidity range (Operational): 5% to 95%, non-condensation.
The product is open type.
The product is for indoor use.
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EL1142 Hardened Media Converter
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LED
State
Indication
Fault
(Red)
Steady
Power redundancy or port malfunction
Off
Power redundancy and ports functioning normally
Power1
(Green)
Steady
Power 1 on
Off
Power 1 off
Power2
(Green)
Steady
Power 2 on
Off
Power 2 off
100 (Mbps)
Steady
Connection at 100Mbps
Off
Connection at 10Mbps
LFPT
(Green)
Steady
LFPT function enabled
Off
LFPT function disabled
LNK/ACT
(Green)
Steady
Network connection established
Flashing
Transmitting or receiving data
Off
No valid network connection established
FDX/COL
(Green)
Steady
Full duplex mode
Flashing
Collision occurred
Off
Half-duplex mode
LED Indicators
EL1142 Hardened Media Converter
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DIP
Switch
0
1
1
Disable LFPT
Enable LFPT
2
Enable Auto Negotiation for TX
port
Enable Forced Mode for TX
port
3
TX port forced to 100Mbps
TX port forced to 10Mbps
4
TX port forced to full duplex
mode
TX port forced to half duplex
mode
5
FX port forced to full duplex
mode
FX port forced to half duplex
mode
6
Disable link down alarm
Enable link down alarm
DIP Switches
Port, power and LFPT settings are made very simple by means of two sets of six DIP (Dual Inline
Package) switches on the top panel of the hardened media converter. Default position for all DIP
switches is ‘0’.
* LFPT=Link Fault Pass Through
If Force mode is enabled, the media converter must be restarted in
order for the new setting to take effect.
Link Fault Pass Through (LFPT)
LFPT (Link Fault Pass Through) is a feature that will pass a link fault through the device at each
segment. If either of the copper TX links fail, the media converter will pass the fail state on throughout
the link, taking down the middle fiber as well as the copper link on the opposite end. This prevents the
connected switches from sending packets that would end up lost. LFTP is designed for use with media
converters arranged in pairs, and both devices must support LFPT.
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EL1142 Hardened Media Converter
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Relay contact
PW1
PW2
Point
1 - 2
Point
2 - 3
Alarm
Off
Off
Closed
Open
Alarm
Off
On
Closed
Open
Alarm
On
Off
Closed
Open
Non-Alarm
On
On
Open
Closed
Relay Output Alarm
The media converter is equipped with relay output contacts on the terminal block for signaling of a
power or port failure. The relay output can be connected to an alarm signaling device. Current is 0.6A
@ 30VDC. Default is PW1 and PW2 both off and points 2 & 3 open.
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EL1142 Hardened Media Converter
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Applicable standards
IEEE802.3 10BASE-T
IEEE802.3u 100BASE-TX/FX
IEEE802.3x Full duplex and flow control
Fixed ports
2 copper ports, 2 100BASE fiber ports (MM or SM)SC
Forwarding rate
14,880/148,810pps for 10/100Mbps
Dimensions
50 × 110 x 135mm (W x D x H)
(2” x 4.3” x 5.3”)
Weight
1.2Kg (2.6lb.)
Power
Terminal Block: 12-48VDC x 2
Operating Temperature
-40°C ~ 75°C (-40°F ~ 167°F)
Storage Temperature
-40°C ~ 85°C (-40°F ~ 185°F)
Humidity
5 ~ 95%, non-condensing
Safety
UL 61010
EMI
FCC Part 15B, Class A
VCCI Class A
CE(EN 61000-6-4 / EN 61000-6-2), Class A
EN 55032 Class A
EMS
EN 61000-6-2:
EN 61000-4-2 (ESD Standard)
EN 61000-4-3 (Radiated RFI Standards)
EN 61000-4-4 (Burst Standards)
EN 61000-4-5 (Surge Standards)
EN 61000-4-6 (Induced RFI Standards)
EN 61000-4-8 (Magnetic Field Standards)
Environmental Test
Compliance
IEC 60068-2-6 Fc (Vibration Resistance)
IEC 60068-2-27 Ea (Shock)
FED STD 101C Method 5007.1 (Free Fall)
Industrial
IEC 61850-3
IEEE 1613
EN 50121-4
Specifications
EL1142 Hardened Media Converter
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USA Office
2301 E. Winston Road
Anaheim, CA 92806
TEL: +1-714-779-3800
Email: info@etherwan.com
Pacific Rim Office
4F-7, No. 79, Sec. 1, Xintai 5th Road, Xizhi District
New Taipei City 221, Taiwan
TEL: +886 -2- 6629-8986
Email: info@etherwan.com.tw
Manufacturer’s Information
EtherWAN System, Inc.
www.etherwan.com
EtherWAN has made a good faith effort to ensure the accuracy of the information in this document and disclaims
the implied warranties of merchantability and fitness for a particular purpose, and makes no express warranties,
except as may be stated in its written agreement with and for its customers.
EtherWAN shall not be held liable to anyone for any indirect, special or consequential damages due to omissions
or errors. The information and specifications in this document are subject to change without notice.
Copyright 2018. All Rights Reserved.
All trademarks and registered trademarks are the property of their respective owners
EL1142 Media Converter
January 3, 2018
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EL1142 Hardened Media Converter
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